import java.util.Scanner;
public class Example3_4{
  public static void main(String args[]){
     int number=0;
     System.out.println("输入正整数（回车确定）");
     Scanner reader=new Scanner(System.in);
     number=reader.nextInt();
     switch(number){
        case 9:
        case 131:
        case 12: System.out.println(number+"是三等奖");
        case 209:
        case 596:
        case 27:System.out.println(number+"是一等奖");
        case 875:
        case 316:
        case 59:System.out.println(number+"是一等奖"); 
                break;
        default:System.out.println(number+"未中奖");
      }
    }
}
 
